The electric field of an electromagnetic wave travelling through a medium is given by E(x,t)=25 sin (2.0×10¹⁵t-10⁷x) n then the refractive index of the medium is _ _ _. (All given measurement are in SI units)

Electromagnetic Waves: JEE Main 2026 Physics question

JEE Main 2026 · 28 Jan, Morning shift · Q32

JEE Main 202628 Jan, Morning shiftPhysicsMediumElectromagnetic Waves120× since 2002

The electric field of an electromagnetic wave travelling through a medium is given by

\vec E(x,t)=25\sin(2.0\times10^{15}t-10^7x)\hat n

then the refractive index of the medium is ______. (All given measurement are in SI units)

JEE Main 2026 Electromagnetic Waves Question with Solution (28 Jan Morning shift, Q32) | JEE Arc

JEE Main 2026 · 28 Jan, Morning shift · Q32

JEE Main 202628 Jan, Morning shiftPhysicsMediumElectromagnetic Waves120× since 2002

The electric field of an electromagnetic wave travelling through a medium is given by

\vec E(x,t)=25\sin(2.0\times10^{15}t-10^7x)\hat n

then the refractive index of the medium is ______. (All given measurement are in SI units)